Essais inter-laboratoires sur l'analyse des urines (toxicologie)
- UKAS accredited proficiency testing scheme
- External Quality Assessment (EQA) designed for laboratories and on-site screening clinics that provide routine services for detection of drugs of abuse in urine
- Participants receive sets of three test materials at quarterly intervals
- Test materials consist of either 5ml or 15ml aliquots of freeze-dried urine
- Mixtures of drugs with their metabolites from 6 major classes:-
- Amfetamines & stimulants
- Cannabinoids
- Cocaine & metabolites
- Minor tranquillizers
- Non-opiate narcotics
- Opiates - Participants select to make their reports relative to one of two sets of threshold drug concentrations
-First, are cut-offs specified by the scheme as appropriate for routine clinical investigations
-Second and more rigorous set of thresholds are those defined in the European Laboratory Guidelines for Legally Defensible Workplace Drug Testing version 1.0, 2002 - Performance of U.K. participants involved in patient care is reported to the National Quality Assurance Advisory Panel for Chemical Pathology
- Scheme operates from April to March
Round dates
DU124 | 18 Apr 2017 | 22 May 2017 |
DU125 | 17 Jul 2017 | 21 Aug 2017 |
DU126 | 30 Oct 2017 | 04 Dec 2017 |
DU127 | 15 Jan 2018 | 19 Feb 2018 |
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